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Patents > Inventor country : AU or US & CPCs: CPC B64C33/00 & Number of text pages: 3-70

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frame (10) · ornithopter (8) · flapping (8) · hybrid (6) · wings (5) · airplane (5) · stability (4) · design (4) · wheels (3) · takeoff (3) · propeller (3) · HTA (3) · rudder (2) · propulsion (2) · navigation (2) · military (2) · None (2) · airfoil (2)
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